export CROSS_COMPILE=arm-linux-gnueabihf-
export ARCH=arm 
export PATH=/opt/arm/gcc-linaro-7.5/bin/:$PATH

#Config.in has been modified and static building is enabled,installdir=../../linux-work/rootfs/rootfs
make defconfig
#make menuconfig
# 在菜单中选择 "Static build"（静态编译，避免依赖库）
make V=1
make install V=1 

